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Commit 55d80856 authored by Jeremy Fitzhardinge's avatar Jeremy Fitzhardinge Committed by Ingo Molnar
Browse files

xen: disable interrupts early, as start_kernel expects 



This avoids a lockdep warning from:
	if (DEBUG_LOCKS_WARN_ON(unlikely(!early_boot_irqs_enabled)))
		return;
in trace_hardirqs_on_caller();

Signed-off-by: default avatarJeremy Fitzhardinge <jeremy.fitzhardinge@citrix.com>
Cc: Mark McLoughlin <markmc@redhat.com>
Cc: Xen-devel <xen-devel@lists.xensource.com>
Signed-off-by: default avatarIngo Molnar <mingo@elte.hu>
parent 4ab0d47d

arch/x86/xen/enlighten.c

+3 −0
Original line number Diff line number Diff line
@@ -1672,6 +1672,9 @@ asmlinkage void __init xen_start_kernel(void) 
	   possible map and a non-dummy shared_info. */

	per_cpu(xen_vcpu, 0) = &HYPERVISOR_shared_info->vcpu_info[0];



	local_irq_disable();

	early_boot_irqs_off();



	xen_raw_console_write("mapping kernel into physical memory\n");

	pgd = xen_setup_kernel_pagetable(pgd, xen_start_info->nr_pages);